Chemical shift magnetic resonance imaging could predict subclinical cortisol production from an incidentally discovered adrenal mass

Clinical Endocrinology
Serkan YenerKutsal Yorukoglu

Abstract

To investigate whether any association between chemical shift magnetic resonance (MRI) findings, cortisol secretion and pathological findings exists that could predict subclinical hypercortisolism (SCH) in patients with adrenal incidentalomas (AI). Retrospective, cross-sectional study in a tertiary centre. Sixty-eight subjects with AIs and 13 patients with Cushing's syndrome (CS). Patients with AIs were categorized according to cortisol levels post 1 mg dexamethasone (post-DST). Visual inspection of the lipid content of the adrenal tumour and calculation of adrenal-to-spleen ratio (ASR), the signal intensity index (SII), volume and the assessment of the association between pathological, radiological and hormonal findings in surgically treated patients. Percentage of clear cells was correlated with ASR (r = -.525, P = .01), SII (r = .465, P = .025), post-DST cortisol (r = -.711, P < .001) and ACTH (r = .475, P = .046). By ANOVA and post hoc analysis, patients with CS and five subjects with a post-DST cortisol greater than 137 nmol/L differed significantly in ASR and SII from those with a post-DST cortisol less than 50 nmol/L. An ASR level higher than 0.245 (OR 19.7, 95% CI 1.5-257.5; P = .023) and a SII level lower than 78.37 (O...Continue Reading

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Citations

Feb 19, 2020·AJR. American Journal of Roentgenology·Martha Katherine Paniagua HuayllasClaudio E Kater

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